/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-mh-folder.c : Abstract class for an email folder */
/*
*
* Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@inria.fr> .
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <sys/stat.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
#include <errno.h>
#include "camel-mh-folder.h"
#include "camel-mh-store.h"
#include "gstring-util.h"
#include "camel-log.h"
static CamelFolderClass *parent_class=NULL;
/* Returns the class for a CamelMhFolder */
#define CMHF_CLASS(so) CAMEL_MH_FOLDER_CLASS (GTK_OBJECT(so)->klass)
#define CF_CLASS(so) CAMEL_FOLDER_CLASS (GTK_OBJECT(so)->klass)
#define CMHS_CLASS(so) CAMEL_STORE_CLASS (GTK_OBJECT(so)->klass)
static void _set_name(CamelFolder *folder, const gchar *name);
static void _init_with_store (CamelFolder *folder, CamelStore *parent_store);
static gboolean _exists (CamelFolder *folder);
static gboolean _create(CamelFolder *folder);
static gboolean _delete (CamelFolder *folder, gboolean recurse);
static gboolean _delete_messages (CamelFolder *folder);
static GList *_list_subfolders (CamelFolder *folder);
static void
camel_mh_folder_class_init (CamelMhFolderClass *camel_mh_folder_class)
{
CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS(camel_mh_folder_class);
parent_class = gtk_type_class (camel_folder_get_type ());
/* virtual method definition */
/* virtual method overload */
camel_folder_class->init_with_store = _init_with_store;
camel_folder_class->set_name = _set_name;
camel_folder_class->exists = _exists;
camel_folder_class->delete = _delete;
camel_folder_class->delete_messages = _delete_messages;
camel_folder_class->list_subfolders = _list_subfolders;
}
GtkType
camel_mh_folder_get_type (void)
{
static GtkType camel_mh_folder_type = 0;
if (!camel_mh_folder_type) {
GtkTypeInfo camel_mh_folder_info =
{
"CamelMhFolder",
sizeof (CamelMhFolder),
sizeof (CamelMhFolderClass),
(GtkClassInitFunc) camel_mh_folder_class_init,
(GtkObjectInitFunc) NULL,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_mh_folder_type = gtk_type_unique (CAMEL_FOLDER_TYPE, &camel_mh_folder_info);
}
return camel_mh_folder_type;
}
static void
_init_with_store (CamelFolder *folder, CamelStore *parent_store)
{
/* call parent method */
parent_class->init_with_store (folder, parent_store);
folder->can_hold_messages = TRUE;
folder->can_hold_folders = TRUE;
}
/**
* camel_mh_folder_set_name: set the name of an MH folder
* @folder: the folder to set the name
* @name: a string representing the (short) name
*
*
*
**/
static void
_set_name (CamelFolder *folder, const gchar *name)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
const gchar *root_dir_path;
gchar *full_name;
const gchar *parent_full_name;
gchar separator;
g_assert(folder);
g_assert(name);
g_assert(folder->parent_store);
/* call default implementation */
parent_class->set_name (folder, name);
if (mh_folder->directory_path) g_free (mh_folder->directory_path);
separator = camel_store_get_separator (folder->parent_store);
root_dir_path = camel_mh_store_get_toplevel_dir (CAMEL_MH_STORE(folder->parent_store));
mh_folder->directory_path = g_strdup_printf ("%s%c%s", root_dir_path, separator, folder->full_name);
}
static gboolean
_exists (CamelFolder *folder)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
struct stat stat_buf;
gint stat_error;
gboolean exists;
g_assert (folder);
if (!mh_folder->directory_path) return FALSE;
stat_error = stat (mh_folder->directory_path, &stat_buf);
if (stat_error == -1) return FALSE;
exists = S_ISDIR(stat_buf.st_mode);
return exists;
}
static gboolean
_create (CamelFolder *folder)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
const gchar *directory_path;
mode_t dir_mode = S_IRWXU;
gint mkdir_error;
g_assert(folder);
/* call default implementation */
parent_class->create (folder);
directory_path = mh_folder->directory_path;
if (!directory_path) return FALSE;
if (camel_folder_exists (folder)) return TRUE;
mkdir_error = mkdir (directory_path, dir_mode);
return (mkdir_error == -1);
}
static gboolean
_delete (CamelFolder *folder, gboolean recurse)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
const gchar *directory_path;
gint rmdir_error = 0;
g_assert(folder);
/* call default implementation */
parent_class->delete (folder, recurse);
/* the default implementation will care about deleting
messages first and recursing the operation if
necessary */
directory_path = mh_folder->directory_path;
if (!directory_path) return FALSE;
if (!camel_folder_exists (folder)) return TRUE;
/* physically delete the directory */
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::delete removing directory %s\n", directory_path);
rmdir_error = rmdir (directory_path);
if (rmdir_error == -1) {
CAMEL_LOG_FULL_WARNING ("CamelMhFolder::delete Error when removing directory %s\n", directory_path);
CAMEL_LOG_FULL_DEBUG ( " Full error text is : %s\n", strerror(errno));
}
return (rmdir_error != -1);
}
static gboolean
_delete_messages (CamelFolder *folder)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
const gchar *directory_path;
struct stat stat_buf;
gint stat_error = 0;
GList *file_list;
gchar *entry_name;
struct dirent *dir_entry;
gint unlink_error = 0;
DIR *dir_handle;
g_assert(folder);
/* call default implementation */
parent_class->delete_messages (folder);
directory_path = mh_folder->directory_path;
if (!directory_path) return FALSE;
if (!camel_folder_exists (folder)) return TRUE;
dir_handle = opendir (directory_path);
/* read first entry in the directory */
dir_entry = readdir (dir_handle);
while ((stat_error != -1) && (unlink_error != -1) && (dir_entry != NULL)) {
/* get the name of the next entry in the dir */
entry_name = dir_entry->d_name;
stat_error = stat (mh_folder->directory_path, &stat_buf);
/* is it a regular file ? */
if ((stat_error != -1) && S_ISREG(stat_buf.st_mode)) {
/* yes, delete it */
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::delete_messages removing file %s\n", entry_name);
unlink_error = unlink(entry_name);
if (unlink_error == -1) {
CAMEL_LOG_FULL_WARNING ("CamelMhFolder::delete_messages Error when deleting file %s\n", entry_name);
CAMEL_LOG_FULL_DEBUG ( " Full error text is : %s\n", strerror(errno));
}
}
/* read next entry */
dir_entry = readdir (dir_handle);
}
closedir (dir_handle);
return ((stat_error != -1) && (unlink_error != -1));
}
static GList *
_list_subfolders(CamelFolder *folder)
{
GList *subfolder_name_list = NULL;
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(folder);
const gchar *directory_path;
struct stat stat_buf;
gint stat_error = 0;
GList *file_list;
gchar *entry_name;
struct dirent *dir_entry;
DIR *dir_handle;
g_assert(folder);
/* call default implementation */
parent_class->delete_messages (folder);
directory_path = mh_folder->directory_path;
if (!directory_path) return NULL;
if (!camel_folder_exists (folder)) return NULL;
dir_handle = opendir (directory_path);
/* read first entry in the directory */
dir_entry = readdir (dir_handle);
while ((stat_error != -1) && (dir_entry != NULL)) {
/* get the name of the next entry in the dir */
entry_name = dir_entry->d_name;
stat_error = stat (mh_folder->directory_path, &stat_buf);
/* is it a directory ? */
if ((stat_error != -1) && S_ISDIR (stat_buf.st_mode)) {
/* yes, add it to the list */
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::list_subfolders adding %s\n", entry_name);
subfolder_name_list = g_list_append (subfolder_name_list, g_strdup (entry_name));
}
/* read next entry */
dir_entry = readdir (dir_handle);
}
closedir (dir_handle);
return subfolder_name_list;
}